yaagikes89
yaagikes89
28-01-2021
Mathematics
contestada
I need help with those please
Respuesta :
jamyangnorzin
jamyangnorzin
28-01-2021
Answer:
12)r=5.5
2×pi×r
2×3.14×5.5
34.54
13)a=pi×r^2
=3.14×2^2
3.14×2
6.28
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